油菜年前肥是指在春节以前施用的肥料,如底肥、苗肥和腊肥等。施好油菜年前肥有利于培育冬前壮苗,增加营养积累,增强抗寒越冬能力,并促春发稳长,是夺取油菜丰产丰收的重要保证。故农谚有“三追不如一底,年外不如年里”之说,那么,怎样施好油菜年前肥?经验有以下三点:一是重施底肥。油菜底肥既要满足油菜苗期生长需要,又要能持续地供整个生育期吸收利用。因此,底肥应重施,以有机肥为主,配合适量速效 The year before the rape refers to the fertilizer applied before the Spring Festival, such as base fertilizer, seedling fertilizer and wax fertilizer. Fertilize the rape years ago is conducive to fostering strong seedlings before winter, increasing the accumulation of nutrients and enhance the ability of winter overwinter, and promote spring hair is long, to seize the important yield of rapeseed an important guarantee. Therefore, agricultural proverbs, “three chase as the end of the year is not as good as the year,” said, then, how to make good rape years ago, fertilizer? Experience has the following three points: First, re-apply base fertilizer. The rapeseed must not only meet the growth needs of rape seedlings, but also be able to continue to absorb the entire growth period. Therefore, the base fertilizer should be re-applied to organic-based, with the amount of quick-acting